Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 07-05-2022 and time 13:44:57 (Italy) in region 2 km NE Pontechianale (CN)

A magnitude ML 1.2 earthquake occured in region: 2 km NE Pontechianale (CN), on

  • 07-05-2022 11:44:57 (UTC)
  • 07-05-2022 13:44:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6360, 7.0460 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pontechianale CN 2 179 179
Casteldelfino CN 5 157 336
Bellino CN 6 109 445
Elva CN 11 97 542
Crissolo CN 11 168 710
Oncino CN 12 76 786
Sampeyre CN 13 1022 1808
Ostana CN 13 83 1891
Stroppo CN 16 103 1994
Prazzo CN 17 170 2164
Acceglio CN 18 162 2326
Macra CN 18 59 2385
Paesana CN 19 2784 5169
Frassino CN 20 265 5434
Celle di Macra CN 20 100 5534
Bobbio Pellice TO 20 563 6097
Marmora CN 20 68 6165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NW of Cuneo (56081 inhabitants)
65 Km SW of Moncalieri (57294 inhabitants)
70 Km SW of Torino (890529 inhabitants)
96 Km W of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.2 2022-05-07
11:44:57		 44.6357 7.0465 12 2023-01-31
19:03:14		 Bollettino Sismico Italiano INGV 105337451
Reviewed
Rev100 		ML 1.0 2022-05-07
11:44:57		 44.6223 7.0182 13 2022-05-07
11:50:31		 Sala Sismica INGV-Roma 104301281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-07 11:44:57 ± 0.08
Latitude 44.6357 ± 0.0054
Longitude 7.0465 ± 0.0114
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105337451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 840
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 1.07109
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 105337451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-30 10:52:05

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 104301281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-07 11:50:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2022-05-07T11:45:23.62 0.6 undecidable manual S 4 91.6416 91 -0.31 40
GU.GBOS.HHZ. 2022-05-07T11:45:19.66 0.3 undecidable manual S 125 76.5678 91 -0.24 63
GU.PCP.HHN. 2022-05-07T11:45:16.89 0.1 undecidable manual P 95 118.8921 91 0.15 82
GU.RORO.HHE. 2022-05-07T11:45:13.42 0.1 undecidable manual P 125 99.5226 91 -0.34 78
GU.ENR.HHZ. 2022-05-07T11:45:13.78 0.3 undecidable manual S 147 53.8017 92 -0.05 68
RD.ORIF.BHE. 2022-05-07T11:45:13.72 0.1 undecidable manual P 289 97.0251 91 0.34 84
MN.BNI.HHZ. 2022-05-07T11:45:13.55 0.3 undecidable manual S 328 54.501 92 -0.47 60
GU.LSD.HHZ. 2022-05-07T11:45:12.81 0.3 undecidable manual P 4 91.6416 91 0.26 64
GU.STV.HHZ. 2022-05-07T11:45:12.20 0.3 undecidable manual S 153 48.618 92 -0.26 66
FR.SAOF.HHE.00 2022-05-07T11:45:11.31 0.1 undecidable manual P 151 82.5507 91 0.17 88
GU.GBOS.HHZ. 2022-05-07T11:45:10.06 0.1 undecidable manual P 125 76.5678 91 -0.16 85
GU.RRL.HHZ. 2022-05-07T11:45:09.10 0.3 undecidable manual S 328 37.5291 93 -0.39 63
GU.RSP.HHZ. 2022-05-07T11:45:07.80 0.1 undecidable manual P 17 59.3961 92 0.22 91
MN.BNI.HHZ. 2022-05-07T11:45:06.86 0.3 undecidable manual P 328 54.501 92 0.03 68
GU.STV.HHZ. 2022-05-07T11:45:06.23 0.3 undecidable manual P 153 48.618 92 0.31 69
GU.ENR.HHZ. 2022-05-07T11:45:06.92 0.1 undecidable manual P 147 53.8017 92 0.2 93
GU.RRL.HHZ. 2022-05-07T11:45:04.35 0.1 positive manual P 328 37.5291 93 0.14 96
GU.PZZ.HHE. 2022-05-07T11:45:03.52 0.3 undecidable manual S 159 15.3735 109 -0.1 72
GU.PZZ.HHE. 2022-05-07T11:45:00.92 0.1 undecidable manual P 159 15.3735 109 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.0 0.0000371 1.2 AML other m 2022-05-07T11:45:09.29
GU.RRL.HHE. ML:1.0 0.00003315 1.38 AML other m 2022-05-07T11:45:09.24
GU.ENR.HHN. ML:1.4 0.0000575 0.24 AML other m 2022-05-07T11:45:14.18
GU.ENR.HHE. ML:1.4 0.0000659 0.96 AML other m 2022-05-07T11:45:14.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download